VendApp is designed to allow you to bring in any vendor of your choice. Therefore, the admin wallet balance will reside with your vendor. You view the list of all available vendors at Admin Console -> Domain Vendors

If you would like to integrate SmartSMSSolutions as one of your vendors, you can learn how to do so in this blog on how to link your SmartSMSSolutions account with your VendApp platform. When you fund your SmartSMSSolutions account, you will be able to sell your products and services from your wallet balance.

You can also bring in any vendor of your choice. If your desired vendor is not listed on the Domain Vendors page, please feel free to contact us.